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Database design for audit logging
... an idea of what the old record looked like.
So for example, if you had a table called Opportunities to track sales deals, you would actually create two separate tables:
Opportunities
Opportunities_Content (or something like that)
The Opportunities table would have information you'd use to unique...
Delete with Join in MySQL
Here is the script to create my tables:
13 Answers
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What is the difference between “text” and new String(“text”)?
...al is needed, use of this constructor is unnecessary since strings are immutable.
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Using CSS how to change only the 2nd column of a table
Using css only, how can I override the css of only the 2nd column of a table.
5 Answers
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Colspan/Rowspan for elements whose display is set to table-cell
...now, the lack of colspan/rowspan is just one of the limitations of display:table. See this post:
http://www.onenaught.com/posts/201/use-css-displaytable-for-layout
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Is there a way to loop through a table variable in TSQL without using a cursor?
Let's say I have the following simple table variable:
21 Answers
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Postgresql - change the size of a varchar column to lower length
I have a question about the ALTER TABLE command on a really large table (almost 30 millions rows).
One of its columns is a varchar(255) and I would like to resize it to a varchar(40) .
Basically, I would like to change my column by running the following command:
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SQL, Postgres OIDs, What are they and why are they useful?
I am looking at some PostgreSQL table creation and I stumbled upon this:
4 Answers
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generate days from date range
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This solution uses no loops, procedures, or temp tables. The subquery generates dates for the last 10,000 days, and could be extended to go as far back or forward as you wish.
select a.Date
from (
select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d...
How can I copy data from one column to another in the same table?
Is it possible to copy data from column A to column B for all records in a table in SQL?
3 Answers
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